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Axitec 440W Solar Panel 108 Cell All-Black Bifacial AC-440TGB/108BB Clearance

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Close-wattage solar panels

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$208.80 $247.19 Save $38.39
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JA Solar 440W Solar Panel 156 Cell JAM78S10-440/MR Clearance
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Customer reviews & Questions

Verified buyer reviews
Customer Reviews A1 SolarStore on trustpilot
  • Reviews (87)
  • Questions (2)
customer008
09/29/2024
the bifacial boost is no joke see extra 10 percent off my white roof.
bella
08/26/2024
been running our cabin lights for a month. zero issues, even survived a Texas downpour
USERX
07/20/2024
Love the clean black look and solid 440 watts each My meter spins backward now
JOHN DOE
06/19/2025
Is it UL listed?
A1 SolarStore
Yes — tested to UL standards for safety and performance.
lily smith
04/10/2025
glass tempered or regular glass
A1 SolarStore
Both front and rear are tempered low-iron glass for strength and PID resistance.

Specification

Rated Power Output 440 W
Voltage (VOC)39.83 V
Maximum String Voltage 1500 V
Number of cells108 Cell
Technology
  • Bifacial
  • TOPCon
Cell TypeMonocrystalline
Rated Efficiency21.56 %
Connector TypeIP68, MC4-EVO 2, MC4-EVO 2A, JM608
Frame ColorBlack Frame
Dimensions LxWxH70.87 x 44.65 x 1.18 in
Weight55.78 lbs
Pallet Qty36
ManufacturerAxitec
Manufacturer Part #AC-440TGB/108BB
Operating Temperatures −40°F to +185°F
Scope of Application
  • Boats
  • Home
  • RV
Use
  • Commercial
  • Grid-Tie
  • Off-Grid
  • Residential
Warranty30 years of manufacturer‘s warranty and 30 years of performance guarantee

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LONGi 405W Solar Panel 108 Cell All-Black LR5-54HPB-405M
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Attachments

FAQ

How much is shipping and how long is delivery?
Our standard shipping charge is $250 for up to 11 panels and it is increased by $25 for every 4 additional panels. In the event, the product is only available on East or West coast custom quote will be sent to you before the order is processed. Normally, we are able to deliver solar panels within 7 business days.
What is the difference between low price panels and top price panels?
With top tier solar panels, you pay for the brand name, proprietary new technology, higher energy output, and better warranty support.
What are the dimensions of the panel?
Please refer to the product datasheet on the product page. We have a datasheet for every product we sell.
How long is the warranty on the panel?
In general, manufacturers provide a 25 year-long performance warranty and a 10 year-long equipment guarantee. Some manufacturers offer 12-15 years of warranty. More information is available in our warranty support section.
Which panels do you recommend for RV, marine?
We recommend Panasonic and Mission Solar panels for smaller systems as their high energy output and excellent craftsmanship guarantee years of service.
Can this panel be used with a 12v system?
Any of our panels can be used for a 12v system with a properly selected inverter and charge controller.
Can I pick up this panel from your fulfillment center to save on shipping?
Yes, we can set up a pick up at a local distributor. Please call to discuss options and stock availability.
How do I connect these panels?
To achieve the best system efficiency, panels should be connected in series to create higher voltage.
How many panels do I need?
This number is determined by your average energy needs. Depending on the type of panels and energy consumption, you might need anywhere from 12 to 45 solar panels. Remember, the more panels you install the more energy you will get.Please use our solar calculator to estimate your energy consumption and plan on building a solar system that will exceed your energy needs by 25%.
How do I build a solar system?
Please use our solar calculator to estimate what equipment you need. Choose your panels, microinverters, inverters, and solar batteries if necessary.Please note that we do not offer solar system design or installation.
How do solar panels compare?
Solar panels differ by power output, voltage, connection type, size, efficiency, and weight. Some solar panels might be sold together with microinverters as a set.
Can I build a solar system by myself as a Do It Yourself project?
Yes, it is possible if you understand what solar equipment you need and how to connect it together. However, please be mindful that handling your own electrical work without having proper experience might cause life-threatening injuries. Please contact a certified electrician if you do not possess appropriate electrical skills.
Can I connect and charge my solar panel battery directly with the solar panel?
We do not recommend using the solar panel without the charge controller. Using solar panels without the charge controller might damage the batteries.
Can I drill holes into the aluminum frame for mounting?
We do not recommend drilling any new holes to the aluminum frame of the panel as it could damage the internal circuit and solar cells. (Also, any modification to the panel will void the warranty). We recommend only using the pre-drilled holes for mounting.
Do solar panels require maintenance? Can I wash my solar panel?
Solar panels generally require very little maintenance. We recommend cleaning the solar panel with water, glass cleaner (Windex) and microfiber cloth.
Will my panel produce power in an overcast condition?
While solar panels require sunlight to generate solar energy, they will still work in cloudy weather. Even on a cloudy day, solar panels will produce energy just not as much.
Will my panels produce power if covered with snow?
Solar panels cannot produce electricity if covered with snow.
What is the best direction for a solar panel to face?
The best direction for a solar panel to face is the South

About product

Axitec AC-440TGB/108BB is a PV module fit for both residential and commercial applications. Axitec engineers made the AXIblackbiperfect GR series durable and efficient while minimizing the amount of useful space required for their operation.

Another advantage is the half-cut cell technology. AC-440TGB/108BB has solar cells half the size of those installed in conventional panels. The main benefits are decreased power loss, improved longevity and better low-light performance. Given its size and weight, AC-440TGB/108BB efficiency of 21.56% is quite impressive. And while conventional panels use only one side to absorb photons, bifacial modules employ both sides at the same time. Thanks to the technology, this model can be up to 30% more efficient. Cell surface, back foil and frame are completely black, giving the model unrivaled aesthetics. Axitec provides 30 years of manufacturer‘s warranty and guarantees that after 30 years, performance will be at 87.4% or more.

  • 108 half-cut N-Type TOPCon cells
  • 440 W nameplate capacity
  • 21.56% efficiency
  • 1500 V DC maximum system voltage
  • IP68, MC4-EVO 2, MC4-EVO 2A, JM608 connectors
  • 30 years of manufacturer‘s warranty and 30 years of performance guarantee

More power and efficiency

An already high efficiency of 21.56% is further enhanced by N-Type TOPCon technology. By adding a solid PID resistance and special glass lamination on top, the manufacturer ended up with an efficient and very durable model. Under standard test conditions, AC-440TGB/108BB outputs 440 W of power.

Excellent performance in adverse weather

Low temperature coefficient means greater energy production at high operating temperatures. AC-440TGB/108BB loses just -0.31% of efficiency for every 1.8°F above 77°F.

Quality and reliability

AC-440TGB/108BB is subject to rigorous quality and reliability testing as well as many quality checks throughout the production process. The level of automation in the manufacturing facilities virtually eliminates human error. To guarantee that you receive the finest, Axitec is committed to quality, safety and dependability.

Reliability and degradation resistance

Axitec guarantees limited degradation over the ensuing 30 years. The performance will only degrade by a maximum of 1% the first year, and then only by a maximum of 0.4% yearly after that. After the 30 years are over, your modules will still show at least 87.4% of nominal capacity. A substantial 30-year manufacturer’s warranty is also included with this 440 W Axitec solar panel.

A panel that can handle hail, wind and snow

The 1.18" frame made from black anodised aluminium and a layer of protective tempered glass make this module resistant to the foulest of weather. The front side of the modules can resist a 5400 Pa load, and the back side 2400 Pa.

Stunning black aesthetics

The sleek, all-black aesthetics of the panel will complement any rooftop. By using a variety of treatments and selection criteria, the producer guarantees high quality cell color. Engineers at Axitec employ smaller gauge wires to link the cells together, creating a seamless appearance.

Size

70.87" x 44.65" x 1.18"

Weight

55.78 lb

Authorized Axitec Distributor

  • Genuine Products: You’re getting the real deal, backed by the manufacturer’s warranty.
  • Exclusive Offers: You can access promotions, discounts, or bundles that are only available through authorized distributors.
  • Competitive Pricing: We offer the best prices because we source directly from the manufacturer, with no middlemen driving up costs.
Learn about Axitec

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